.clearfix:after {
  content: " ";
  display: block;
  clear: both;
}

#swiper {
  position: relative;
  width: 800px;
  height: 300px;
  margin: 50px auto;
}

.main {
  width: 800px;
  height: 300px;
  position: absolute;
  top: 0px;
  left: 50%;
  margin-left: -400px;
  overflow: hidden;
}

.item {
  list-style: none;
  width: 400px;
  height: 230px;
  position: absolute;
  left: 0px;
  top: 27px;
  transition: all 0.5s ease;
}

.p0 {
  transform: translate3d(-400px, 0, 0) scale(1);
  opacity: 0.1;
  z-index: 1;
}

.p1 {
  transform: translate3d(0px, 0, 0) scale(1);
  opacity: 0.8;
  z-index: 2;
}

.p2 {
  transform: translate3d(400px, 0, 0) scale(1);
  opacity: 0.8;
  z-index: 3;
}

.p3 {
  transform: translate3d(200px, 0, 0) scale(1.5);
  opacity: 1;
  z-index: 4;
}

.p4 {
  transform: translate3d(800px, 0, 0) scale(1);
  opacity: 0.1;
  z-index: 3;
}

.newItem {
  position: absolute;
  left: 0px;
  top: 0px;
}

.changeItem {
  position: absolute;
  left: 50%;
  top: 0px;
  margin-left: -202px;
  transform: scale(1.4);
}
.btnMain {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
}

.left {
  position: absolute;
  left: 15px;
  top: 50%;
  margin-top: -15px;
  z-index: 10;
}

.right {
  position: absolute;
  right: 15px;
  top: 50%;
  margin-top: -15px;
  z-index: 10;
}

.left img,
.right img {
  width: 30px;
  height: 30px;
}

.pressMain {
  position: absolute;
  left: 50%;
  bottom: 10px;
  width: 134px;
  height: 24px;
  margin-left: -37px;
  z-index: 20;
}

.pressMain span {
  display: inline-block;
  margin: 2px 3px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  color: #fff;
  background-color: rgba(255, 255, 255, 0.53);
  text-align: center;
  line-height: 20px;
}

.pressMain .active {
  background: brown;
}
